FIX: Firefox is not responding in Windows 10

Andrew Wafer
by Andrew Wafer
Andrew is not just trying to bring you closer to Windows, but he's truly interested in this platform. He just happens to be passionate about sharing that knowledge with our readers and that’s what... Read more
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  • If Firefox is not responding for you might happen due to errors with the browser files.
  • Switching to a better browser that is more stable is the easiest way to fix the problem.
  • Update all of your drivers by using our third-party software below to fix Firefox locking up
  • Restarting your browser and your PC with our method will also get rid of the error message.
Firefox not responding Windows
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Not being able to properly use your web browser can be serious. If you use Mozilla Firefox on Windows 10 and your web browser is currently not responding, follow the troubleshooting steps listed below.

The steps from this tutorial should help you address all the errors and issues that can cause hangs or freezes on Firefox so you can continue your work.

How do I fix Firefox not responding errors in Windows 10?

1. Try an alternative browser

When Firefox is firefox unresponsive, or when it is locking up, your only option is to try another browser, at least to fix the problem. And perhaps, you’ll decide to stick to it.

Our recommendation is to settle for another browser that comes with less to zero loading or updating issues. In this particular situation, we suggest using Opera.

Downloading Opera takes only a couple of minutes, and settings it up is extremely easy.

As you get familiarized with the design, you’ll be amazed by the multitude of features that come with this browser and how simple it is to navigate between various tabs, workspaces, and built-in social media chat apps.

The tool comes with customized versions for PC, mobile (including older phones), Mac, or Linux. Besides, you can synchronize the Opera browser across all your devices, to easily manage all the settings.

Starting from the basic version, you can bring your own flavor to the browser, adding icons, sidebars, workspaces, and bookmarks for ease of access and a better-organized workflow.

Add the incorporated VPN that secures your online activity, and you have the perfect browser.



Try Opera today and enjoy all the amazing built-in features this browser has to offer.

2. Initiate a restart

If Firefox is not responding it means that something stopped its processes. And a restart might be the perfect solution for reinitiating everything.

So, close Firefox (if the classic way isn’t working, close the program through Task Manager) and also restart your Windows 10 system.

Run a System Scan to discover potential errors

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Click Start Scan to find Windows issues.

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Run a PC Scan with Restoro Repair Tool to find errors causing security problems and slowdowns. After the scan is complete, the repair process will replace damaged files with fresh Windows files and components.

Finally, run Firefox and verify if everything works as it should now; if not, go to the next troubleshooting solution.

3. Update the graphics card drivers

  1. Click on the Search icon.
  2. Type Device Manager and click on the same entry that will be displayed.device manager windows 10 Firefox is not responding
  3. From Device Manager expand the Display adapters option.
  4. Right-click on each entry and choose update driver software.
  5. Restart Firefox and see if you can use it now.

4. Automatically update your drivers

Updating drivers is a necessary action, but an annoying and tedious process. We recommend DriverFix, a software that can do it automatically for you with just a few clicks.

This tool will help you to avoid permanent damage to your PC by downloading and installing the wrong driver versions. Get DriverFix now and make your life easier.

DriverFix is mostly automated. You just need to click a few buttons and the software will automatically scan your system’s components and software. After it is finished, it will give you a list with all updated drivers.

Next, you will have the option to install whatever driver you want, by clicking on it. And that’s it, the program will update them for you, you don’t have to do it manually.

Download DriverFix

5. Disable hardware acceleration from Firefox

  1. From the top-right corner of Firefox click on the Menu icon.
  2. From the displayed list choose Options.firefox is not responding
  3. Go to the General panel and look for the Performance entry.
  4. From there uncheck the use recommended performance settings checkbox.
  5. Then uncheck the use hardware acceleration when available feature.firefox is not responding
  6. Close Firefox and initiate your web browser again.

Hardware acceleration is a feature also related to your graphics card. In some situations, depending on certain graphic card setups, Firefox might get into a freeze loop when hardware acceleration is in use.

6. Reinitiate Firefox files

  1. First, go to the Firefox official web page and download a new installer file for your Windows 10 system.
  2. Don’t uninstall Firefox and don’t delete anything else.
  3. Close Firefox.
  4. Go to the folder where Firefox is installed; there, rename the program folder like in the example below: C:\Program Files (x86)\Mozilla Firefox C:\Program Files (x86)\Fx3805firefox is not responding
  5. Now, run the installer process by clicking on the downloaded Firefox executable file.
  6. In the end, open Firefox and see if this helped you.

8. Create a fresh places database

  1. Click on the Firefox Menu icon and select Help (question mark button).firefox is not responding
  2. Go to Troubleshooting information and from Application Basics click on Open Folder.firefox is not responding
  3. Now, open the Menu list once more and click on the Power-off icon.
  4. Firefox will be turned off now.
  5. Now, go to the Firefox folder and, under the profile folder, find and rename the following files: places.sqlite -> places.sqlite.old.
  6. And places.sqlite-journal -> places.sqlite-journal.old.
  7. Restart Firefox.

New places database might fix the Firefox not responding malfunction – interrupted download processes from Firefox can cause corrupted places within the app database.

Note: Your web browsing history and your bookmarks will be deleted in this operation.

9. Remove Session Restore files

  1. Click on the Menu icon, go to Help (?) and pick up Troubleshooting information.
  2. Click on Open Folder from Application Basics.
  3. Click the Menu button again and from there select the Exit option.
  4. From your profile folder delete the following file: sessionstore.js.
  5. Also, remove any associated files such as sessionstore-1.js and so on.

10. Reset Firefox

  1. From Firefox, click on the Menu icon.
  2. From the list that will be showed choose Help (?).
  3. Select Troubleshooting information.
  4. Find and choose the Refresh Firefox option.
    firefox is not responding
  5. Resume the reset process and open the web browser once more in the end.

These are the easiest solutions to repair Firefox. If the web browser is still not responding in Windows 10,  give further info – tell us when you first got the problems, what happened when you tried to fix everything, etc.

Based on these details we will try to find specific troubleshooting solutions in order to assist you as soon as possible. You can get in touch with us through the comments below.

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